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Tefal S.A.S. (a portmanteau of TEFlon and ALuminium. [ 3 ] ) is a French cookware and small appliance manufacturer, owned by Groupe SEB (a global manufacturer of cookware ) since 1968. [ 4 ] The company is known for creating the non-stick cookware category [ 3 ] and for offering frying equipment with a low requirement of fat or oils.
Marc Grégoire (January 15, 1906 - January 10, 1996 [1]) was an inventor of PTFE (Teflon) coated non-stick pans. [2] He was an ONERA engineer at the time of the invention. [3] In one version of the story, he devised a method to apply Teflon to an aluminum mould, to assist the removal of glass fibre fishing rods from the mould. [3]
Not all non-stick pans use Teflon; other non-stick coatings have become available. For example, a mixture of titanium and ceramic can be sandblasted onto the pan surface, and then fired at 2,000 °C (3,630 °F) to produce a non-stick ceramic coating. [19] Ceramic nonstick pans use a finish of silica (silicon dioxide) to prevent sticking.
Polytetrafluoroethylene is used as a non-stick coating for pans and other cookware. It is non-reactive, partly because of the strength of carbon–fluorine bonds, so it is often used in containers and pipework for reactive and corrosive chemicals. Where used as a lubricant, PTFE reduces friction, wear, and energy consumption of machinery.
A newer trend in woks is the electric wok, where no stove is needed. This type of wok is plugged into an electrical outlet and the heating element is in the wok. Like stove-mounted non-stick woks, these woks can also only be used at lower temperatures than traditional woks. [25]
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